Wang, Yanhua. “Yetter–Drinfel’d Hopf Algebras on Basic Cycle”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 9 (September 25, 2014): 1291–1296. Accessed November 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2222.